Home / 3,074.85-4,614.03-1,670.31

Finding the Fourth Proportional to 3,074.85, 4,614.03 and 1,670.31

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Solution

The fourth proportional to 3,074.85, 4,614.03 and 1,670.31 is: 2,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.85 : 4,614.03 = 1,670.31 : x
  2. Step 2: Convert to fraction form
    3,074.85/4,614.03 = 1,670.31/x
  3. Step 3: Cross multiply
    3,074.85x = 4,614.03 × 1,670.31
  4. Step 4: Simplify right side
    3,074.85x = 7,706,860.45
  5. Step 5: Solve for x
    x = 7,706,860.45/3,074.85
  6. Step 6: Final answer
    x = 2,506.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.